In these patients, epileptic seizures cannot be controlled by medication. In these seizures, a group of neurons displays abnormal excessive neuronal activity in the brain.īut 9% of all epileptic patients suffer from what is known as pharmacoresistant focal-onset epilepsy. The results have been published in the journal Physical Review E.Īround 1% of the world's population suffers from epilepsy, a neurological disorder that causes epileptic seizures. This technique may help detect epilepsy-induced features from these signals much quicker than conventional analysis techniques. Researchers from the UPF Department of Information and Communication Technologies (DTIC) propose a new method to differentiate signals from the epileptic focus from those recorded in other parts of the brain without the presence of an epileptic seizure. Credit: Source: Anaïs Espinoso, first author. In other words, in the simplified representation, each matrix would register 18 signals. The gray patches are the intracranial electrodes where each point would record each of the signals represented. The signals in orange indicate the focal signals (generated in the hemisphere of the focus) and non-focal signals are shown in blue (generated in the opposite hemisphere).
The red dot indicates the epileptic focus in one hemisphere.
In this graphic representation the signals shown are real from the database that was used in the study.
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